Kenwood TS-570D Digital Operation, Rtty Frequency Shift Keying, Rtty Frequencies

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7 SPECIALIZED COMMUNICATING

DIGITAL OPERATION

Since Multimode Communications Processors (MCP) have become popular, many Amateurs enjoy operating using a number of digital modes. The power and variety￿ofAmateur radio increased greatly with the development of MCP that can use your transceiver as the communications link.

For example, it’s possible to take advantage of the camaraderie found on RTTY, then move to Packet to access an RBBS (Radio Bulletin Board System) to download a recent shareware program you’ve heard about, and then move again to AMTOR or PacTOR to deposit mail in a regional mailbox for forwarding. After that, you may switch to G-TORTMor Clover for a lightning fast file transfer with a friend.

RTTY (FREQUENCY SHIFT KEYING)

Radioteletype operation uses frequency shift keying (FSK) and the 5-bit Baudot code or the 7-bit ASCII code to transmit information.

Consult “RTTY” {page 61} under “CONNECTING PERIPHERAL EQUIPMENT” if you need installation information.

1Select the FSK shift via Menu No. 29.

•FSK shift is the difference in frequencies between mark and space.

•The 170 Hz default is used on the Amateur bands.

2Access Menu No. 30, and select either “ON” (space) or “OFF” (mark) to be transmitted when keying down.

• The default is “OFF” (mark).

3Access Menu No. 31, and select high tone (2125 Hz) or low tone (1275 Hz) for mark.

•The high tone (default) is commonly used nowadays.

4Select the operating frequency.

5Press [CW/FSK] to select FSK.

• “FSK” appears.

6If necessary to be compatible with the station you want to contact, press [REV] to reverse the transceiver to the upper sideband.

• “R” appears beside “FSK”.

•Traditionally, the lower sideband is used for FSK operation.

•Press [REV] again if you want to return to the lower sideband.

7Following the instructions provided with your MCP or RTTY equipment, enter the key sequence at your RTTY keyboard to select the transmit mode.

•“RX” disappears and “TX” appears.

•You may instead press [SEND] to manually select the transmit mode.

8Begin sending data from the keyboard.

•No transmit carrier or AF input level adjustment is necessary.

•Use Menu No. 34 to select the appropriate AF output level. The AF control cannot be used for this adjustment.

9When finished transmitting, enter the key sequence from the keyboard to return to the receive mode.

•“TX” disappears and “RX” appears.

•If you pressed [SEND] in step 7, press [SEND] again.

RTTY FREQUENCIES

IARU Region 1

U.S.A./Canada

(Europe/Africa)

Frequency (kHz)

Frequency (kHz)

 

1838~1842￿

1800~1840￿

￿

3605~3645￿

3580~3620￿

(DX: 3590)￿

￿

7080~7100￿

7035~7045￿

(DX: 7040)￿

￿

 

10140~10150￿

10140~10150￿

14080~14099.5￿

14070~14099.5￿

 

 

18101~18109￿

18100~18110￿

 

 

21080~21120￿

21070~21100￿

 

 

24920~24929￿

24920~24930￿

 

 

28050~28150￿

28070~28150￿

 

 

￿

￿

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Contents TS-570S Supplied Accessories Accessory Part NumberApplicable Model Intelligent Digital Enhanced Communications SystemKEY2 FeaturesWriting Conventions Followed Contents Memory Features Specifications Appendix COM Connector Protocol IndexScan Operator ConveniencesPower Source Power Cable ProtectionPower Lines CleaningTransmission Line MHz 14 MHz 30 MHz InstallationAntenna Connection DC Power Supply Connection InstallationGround Connection Lightning ProtectionRear Panel Accessory ConnectionsFront Panel Your First QSO DSP Slope High control Fully clockwise DSP Slope LOW controlYour Getting Acquainted Front PanelGetting Acquainted UP/DOWN buttons Split buttonTF-SET button Clear buttonMicrophone Rear Panel GND postKEY and Paddle jacks EXT SP jackDisplay @6M.SCR @7LSB@8USB #1FSKSwitching Power ON/OFF Adjusting VolumeOperating Basics Selecting VFO a or VFO BSelecting a Mode Adjusting SquelchSelecting a Frequency Front Panel MeterMicrophone Gain Selecting Transmit PowerTransmitting Menu Setup What is a MENU?Menu Access Menu A/ Menu BMenu Configuration Menu SetupFunction Selections Default GroupSetting Transfer Rate bps Stop Bits SplitCross Reference for Menu Functions Basic Communicating SSB TransmissionCW Transmission Basic CommunicatingAuto ZERO-BEAT TX SIDETONE/ RX Pitch FrequencyFM Transmission AM TransmissionTX Deviation Selection Press FilterSpecialized Communicating SPLIT-FREQUENCY OperationTF-SET Transmit Frequency SET UP/DWNFM Repeater Operation Specialized CommunicatingArrl 10-METER Band Plan Mode/ActivityContinuous or Burst SUBTONES? FM Ctcss OperationSpecialized Communicating Selecting Subtone Frequency Digital Operation Rtty Frequency Shift KeyingRtty Frequencies Iaru Region A./CanadaPacket Frequencies Sstv Frequencies Slow Scan TV/ FacsimileSatellite Operation Selecting Your Frequency Communicating AidsReceiving RIT Receive Incremental Tuning Communicating AidsAGC Automatic Gain Control RX EqualizerDelay Time Press DelayVOX VOICE-OPERATED Transmit Microphone Input LevelXIT Transmit Incremental Tuning Communicating Aids Speech ProcessorMonitoring Transmitted Signals Transmit InhibitChanging Frequency While Transmitting Changing Transmit Bandwidth SSB/AMUsing Semi BREAK-IN or Full BREAK-IN Auto WeightingCW BREAK-IN Electronic KeyerCW Message Memory Communicating Aids Changing LOCKED-WEIGHTBUG KEY Function Rejecting Interference If FilterNoise Blanker Changing if Filter BandwidthAttenuator PreamplifierDSP Tools Rejecting InterferenceBeat Cancel Setting NR2 Time ConstantNoise Reduction CW/ FSK ModesMemory Features Conventional MemoryStoring Data in Memory Simplex ChannelsMemory Features Split-Frequency ChannelsMemory Recall Memory Recall and ScrollMemory Scroll Temporary Frequency ChangesMemory-VFO Split Operation To use a memory channel for receivingChannel Channel Transfer Memory Features Memory TransferMemory VFO Transfer Memory Features Storing Frequency Ranges Full ResetErasing Memory Channels Confirming Start/End FrequenciesQuick Memory Storing Into Quick MemoryMemory Channel Lockout Press CLRQuick Memory VFO Transfer Memory Features Recalling Quick MemoryTemporary Frequency Changes Scan Program ScanScan Hold Scan Type PurposeMemory Scan ScanALL-CHANNEL Scan Group ScanMicroprocessor Reset Switching ANT 1/ ANTOperator Conveniences Frequency Lock FunctionBeep Function Display DimmerProgram Function Button Operator ConveniencesQuick Data Transfer Setting UPUsing Quick Transfer Using a Transverter Menu Setting Transfer Rate Stop BitsComputer Control Communication ParametersAttune again PresettingAutomatic Antenna Tuner Checking Messages Recording MessagesMessage Playback Changing Inter-message Interval Changing VolumeSending Messages New Mode Announcement MenuVoice StepsOptional Accessories DRU-3APC-1A PG-2ZDRU-3A Digital Recording Unit Installing OptionsRemoving the Bottom Case Filters Installing OptionsVS-3 Voice Synthesizer Unit SO-2 TEMPERATURE-COMPENSATED Crystal Oscillator Tcxo Connecting Peripheral Equipment ComputerCompatible Transceiver Pin No. Pin NameConnecting Peripheral Equipment Rtty EquipmentLinear Amplifier Antenna TunerMCP and TNC Pin No FunctionMaintenance ServiceService Note CleaningInternal Adjustments MaintenanceAccessing the Internal Fuse Reference Frequency CalibrationTroubleshooting Problem Probable Cause Corrective ActionFollowed DSP Slope LOW control orPress LSB/USB or FM/AM to Changing ReceivePress LSB/USB, CW/FSK, or Repeater Operation FSK, FM TS-570S TS-570DSSB, CW Specifications SSB, CW, FSKHardware Description Control OperationAppendix COMComputer Control Commands Alphabetical CommandsError Messages ParametersAlphabetical Command Table OFF/ONParameter Table FormatMenu Selection Table for EX Command UP/DOWNComputer Control Command Tables I o !0DN UP DOWN/UP LK Frequency Lock MG MIC Gain RT RIT RX TX RX, TX VOX Function VFO Sstv
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